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Author : Dong Xiao
Publisher :
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.:/5 (245 download)
Download or read book Charmless Semileptonic Decays of B Mesons written by Dong Xiao and published by . This book was released on 1990 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jeffrey Kevin Nelson
Publisher :
ISBN 13 :
Total Pages : 556 pages
Book Rating : 4.:/5 (319 download)
Download or read book Charmless Semileptonic Decays of B Mesons written by Jeffrey Kevin Nelson and published by . This book was released on 1994 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Amanda Jacqueline Weinstein
Publisher :
ISBN 13 :
Total Pages : 191 pages
Book Rating : 4.:/5 (615 download)
Download or read book Study of Exclusive Charmless Semileptonic Decays of the B Meson written by Amanda Jacqueline Weinstein and published by . This book was released on 2004 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Study of Exclusive Charmless Semileptonic Decays of the B Meson written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stefan Alan Anderson
Publisher :
ISBN 13 :
Total Pages : 450 pages
Book Rating : 4.:/5 (319 download)
Download or read book An Improved Measurement of the Inclusive Rate for Charmless Semileptonic Decays of B Mesons written by Stefan Alan Anderson and published by . This book was released on 2002 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Matthew Randall Shepherd
Publisher :
ISBN 13 :
Total Pages : 290 pages
Book Rating : 4.:/5 (769 download)
Download or read book The Differential Rates of Exclusive Charmless Semileptonic B Meson Decay written by Matthew Randall Shepherd and published by . This book was released on 2005 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Antonio Limosani
Publisher :
ISBN 13 :
Total Pages : 286 pages
Book Rating : 4.:/5 (224 download)
Download or read book An Investigation of Inclusive Charmless Semileptonic B Meson Decays with the Belle Detector written by Antonio Limosani and published by . This book was released on 2004 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : ARGUS Collaboration
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (354 download)
Download or read book Observation of Semileptonic Charmless B Meson Decays written by ARGUS Collaboration and published by . This book was released on 1989 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 145 pages
Book Rating : 4.:/5 (893 download)
Download or read book An Enquiry Concerning Charmless Semileptonic Decays of Bottom Mesons written by and published by . This book was released on 2008 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt: The branching fractions for the decays B → Plvl, where P are the pseudoscalar charmless mesons [pi]±, [pi]0, [eta] and [eta]' and l is an electron or muon, are measured with B0 and B± mesons found in the recoil of a second B meson decaying as B → Dlvl or B → D*lvl. The measurements are based on a data set of 348 fb-1 of e+e- collisions at √s = 10.58 GeV recorded with the BABAR detector. Assuming isospin symmetry, measured pionic branching fractions are combined into [beta](B0 → [pi]-l+vl) = (1.54 ± 0.17(stat) ± 0.09(syst)) x 10-4. First evidence of the B+ → [eta]l+vl decay is seen; its branching fraction is measured to be [beta](B+ →[eta]l+vl) = (0.64 ± 0.20(stat) ± 0.03(syst)) x 10-4. It is determined that [beta](B+ → [eta]'l+vl)
Download or read book Observation of semileptonic charmless B-meson decays written by and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
![Download Measurement of the Inclusive Charmless Semileptonic Branching Ratio of B Mesons and Determination Of[verticalV[sub Ub][vertical PDF Online Free](https://books.google.com/books/content/images/frontcover/hBvtjwEACAAJ?fife=w200-h370)
Download or read book Measurement of the Inclusive Charmless Semileptonic Branching Ratio of B Mesons and Determination Of[verticalV[sub Ub][vertical written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We report a measurement of the inclusive charmless semileptonic branching fraction of B mesons in a sample of 89 million B[bar B] events recorded with the BABAR detector at the[Upsilon](4S) resonance. Events are selected by fully reconstructing the decay of one B meson and identifying a charged lepton from the decay of the other B meson. The number of signal events is extracted from the hadronic mass distribution and is used to determine the ratio of branching fractions[Beta]([bar B][yields] X[sub u]l[bar[nu]])/[Beta]([bar B][yields] Xl[bar[nu]])= (2.06[+-] 0.25(stat)[+-] 0.23(syst)[+-] 0.36(theo)) x 10[sup -2]. Using the measured branching fraction for inclusive semileptonic B decays, we find[Beta]([bar B][yields] X[sub u]l[bar[nu]])= (2.24[+-] 0.27(stat)[+-] 0.26(syst)[+-] 0.39(theo)) x 10[sup -3] and derive the CKM matrix elementV[sub ub]= (4.62[+-] 0.28(stat)[+-] 0.27(syst)[+-] 0.48(theo)) x 10[sup -3].
Author :
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (871 download)
Download or read book Measurement of the Inclusive Charmless Semileptonic Branching Ratio of B Mesons and Determination of written by and published by . This book was released on 2003 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report a measurement of the inclusive charmless semileptonic branching fraction of B mesons in a sample of 89 million B{bar B} events recorded with the BABAR detector at the [Upsilon](4S) resonance. Events are selected by fully reconstructing the decay of one B meson and identifying a charged lepton from the decay of the other B meson. The number of signal events is extracted from the hadronic mass distribution and is used to determine the ratio of branching fractions [Beta]({bar B} → X{sub u}l{bar {nu}})/[Beta]({bar B} → Xl{bar {nu}}) = (2.06 ± 0.25(stat) ± 0.23(syst) ± 0.36(theo)) x 10−2. Using the measured branching fraction for inclusive semileptonic B decays, we find [Beta]({bar B} → X{sub u}l{bar {nu}}) = (2.24 ± 0.27(stat) ± 0.26(syst) ± 0.39(theo)) x 10−3 and derive the CKM matrix element.
Author :
Publisher :
ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.:/5 (953 download)
Download or read book Study of Charmless Semileptonic B Decays And a Measurement of the CKM Matrix Element written by and published by . This book was released on 2004 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents a measurement of exclusive charmless semileptonic branching fractions of B mesons measured using 81.9fb-1 of data (approximately 90 million BB pairs) collected between 1999 and 2002 by the BaBar detector operating at the PEP-II e+e- storage ring, at SLAC.
Author : Kris Somboon Chaisanguanthum
Publisher :
ISBN 13 : 9780549613039
Total Pages : 270 pages
Book Rating : 4.6/5 (13 download)
Download or read book An Enquiry Concerning Charmless Semileptonic Decays of Bottom Mesons written by Kris Somboon Chaisanguanthum and published by . This book was released on 2008 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: The branching fractions for the decays B → Pℓ&ngr; ℓ, where P are the pseudoscalar charmless mesons pi +/-, pi0, eta and eta' and ℓ is an electron or muon, are measured with B 0 and B+/- mesons found in the recoil of a second B meson decaying as B → D ℓnuℓ or B → D*ℓnu ℓ. The measurements are based on a data set of 348 fb-1 of e+e- collisions at s = 10.58 GeV recorded with the BABAR detector. Assuming isospin symmetry, measured picnic branching fractions are combined into BB0 →p-ℓ+ nℓ= 1.54+/-0.17stat +/-0.09syst x10-4 . First evidence of the B+ → etaℓ +nuℓ decay is seen; its branching fraction is measured to be BB+→ hℓ+nℓ =0.64+/-0.02sta t+/-0.03 systx10-4 . It is determined that BB+→h 'ℓ+nℓ
Author : Patrick Liniger
Publisher :
ISBN 13 :
Total Pages : 145 pages
Book Rating : 4.:/5 (84 download)
Download or read book Charmless B-meson Decays in the Standard Model written by Patrick Liniger and published by . This book was released on 2001 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James Alfred Mueller
Publisher :
ISBN 13 :
Total Pages : 194 pages
Book Rating : 4.:/5 (639 download)
Download or read book Limits on Exclusive Charmless Decays of the B Meson written by James Alfred Mueller and published by . This book was released on 1989 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 19 pages
Book Rating : 4.:/5 (871 download)
Download or read book Measurement of the Partial Branching Fraction for Inclusive Charmless Semileptonic B Decays and Extraction of written by and published by . This book was released on 2005 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: Charmless semileptonic decays, {bar B} 2!X{sub u}l{bar {nu}}, are studied in a sample of 232 million B{bar B} decays recorded with the BABAR detector, in events where the decay of the second B meson is fully reconstructed. Inclusive charmless decays are selected in kinematic regions where the dominant background from semileptonic B decays to charm is reduced by requirements on the hadronic mass M{sub X} and the momentum transfer q2. The partial branching fraction for {bar B} 2!X{sub u}l{bar {nu}} decays for M{sub X} 1.7 GeV/c2 and q2 8 GeV2/c4 is measured to be [Delta][Beta]({bar b} 2!X{sub u}l{bar {nu}}) = (0.87 ± 0.09{sub stat} ± 0.09{sub sys} ± 0.01{sub th}) x 10−3. The CKM matrix element.
